Telephone

Telephone

By lexi turner

  • Alexander Graham Bell

    Alexander Graham Bell
    Alexander Graham Bell invents the telephone.

  • Mobile Radios

    Mobile Radios
    The Detroit police department installs mobile radios in their cars. Overcrowded channels and interferance are large problems.

  • First Car Radio Phones

    First Car Radio Phones
    AT&T releases the first radio car phones. They only work on the highway between New York and Boston.

  • Push Button Phone

    Push Button Phone
    The push button phone gains popularity over the rotary phone.

  • First Iphone

    First Iphone
    The first generation of Apple's popular device.

  • Android System

    Android System
    The first phone to use the android system.